<template>
	<view>
		<view class="goods-list">
		      <view v-for="(goods, i) in goodsList" :key="i" @click="gotoDetail(goods)">
		       <my-goods :goods="goods"></my-goods>
		      </view>
		    </view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				 // 请求参数对象
				    queryObj: {
				      // 查询关键词
				      query: '',
				      // 商品分类Id
				      cid: '',
				      // 页码值
				      pagenum: 1,
				      // 每页显示多少条数据
				      pagesize: 10
				    },
					//商品列表的数据
					goodsList:[],
					//总数量用来实现分页
					total:0,
					//节流阀
					isloading:false
			};
		},
		
		onLoad(options){
			this.queryObj.query = options.query || ''
			this.queryObj.cid = options.cid || ''
			this.getGoodsList();
		},
		methods:{
			async getGoodsList(cb){
			this.isloading = true
			 const {data : res } = await	uni.$http.get('/api/public/v1/goods/search',this.queryObj)
			 this.isloading = false
			 cb && cb()
			 if(res.meta.status !== 200){
				return uni.$showMsg()
			 }
			 this.goodsList = [...this.goodsList,...res.message.goods] 
			 this.total = res.message.total
			},
			gotoDetail(goods){
				uni.navigateTo({
					url:"/subpkg/goods_detail/goods_detail?goods_id="+goods.goods_id
				})
			}
		},
		onReachBottom() {
			if (this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕！')
			if(this.isloading) return
			//让页面值自增+1
			this.queryObj.pagenum++
			this.getGoodsList()
		},
		onPullDownRefresh(){
			 // 1. 重置关键数据
			  this.queryObj.pagenum = 1
			  this.total = 0
			  this.isloading = false
			  this.goodsList = []
			
			  // 2. 重新发起请求
			  this.getGoodsList(() => uni.stopPullDownRefresh())
		}
	}
</script>

<style lang="scss">
	
</style>
